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To find the common factors between two numbers, first list out all of their factors and then choose the ones that they have in common.

For example: If your numbers were 36 and 28, you would list out the factors for each:

36| 1, 2, 3, 4, 6, 9, 12, 36

28| 1, 2, 4, 7, 14, 28

The common factors are: 1, 2, & 4

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Q: How do you find the common factor of two numbers?

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No, you need at least two numbers to compare in order to find a greatest common factor.

The highest common factor of two numbers is their highest common factor. The method that is used to find it is irrelevant.

You need at least two numbers to find a GCF.

Two or more numbers are required to find the greatest common factor between them.

There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.

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You need at least two numbers to find a GCF.

No, you need at least two numbers to compare in order to find a greatest common factor.

The highest common factor of two numbers is their highest common factor. The method that is used to find it is irrelevant.

You need at least two numbers to find a GCF.

You need at least two numbers to find a GCF.

To find a common factor, you need at least two numbers.

Two or more numbers are needed to find their HCF

You need at least two numbers to find a GCF.

You need at least two numbers to find a GCF. There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.

Two or more numbers are required to find the greatest common factor between them.

There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers. You need at least two numbers to find a GCF. If that's 4 and 5, the GCF is 1.You need at least two numbers to find a GCF.

Two or more numbers are needed to find their highest common factor.

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